Question

5a²-5b²-10a³b+10ab³разложите на множители

Answer 1

5a² - 5b² - 10a³b + 10ab³ = 5a²(1 - 2ab) - 5b²(1 - 2ab) = (1 - 2ab)(5a² - 5b²) = 
= (1 - 2ab)*5*(a² - b²) = 5(1-2ab)(a-b)(a+b)

Answer 2

(5а²-10а³в)-(5в²-10ав³)=5а²(1-2ав)-5в²(1-2ав)=(5а²-5в²)(1-2ав)=5(а-в)(а+в)(1-2ав)